Glossary: System Design Basics in PHP
Index
Also written: indexes, CREATE INDEX
A sorted list of one column's values, each pointing at its rows, so the database can jump straight to them instead of scanning. It makes writes slightly slower.
Glossary: System Design Basics in PHP
Also written: indexes, CREATE INDEX
A sorted list of one column's values, each pointing at its rows, so the database can jump straight to them instead of scanning. It makes writes slightly slower.